Home / 14,355,928.20-21,549,638.70-8,970,659.40

Finding the Fourth Proportional to 14,355,928.20, 21,549,638.70 and 8,970,659.40

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Solution

The fourth proportional to 14,355,928.20, 21,549,638.70 and 8,970,659.40 is: 13,465,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355,928.20 : 21,549,638.70 = 8,970,659.40 : x
  2. Step 2: Convert to fraction form
    14,355,928.20/21,549,638.70 = 8,970,659.40/x
  3. Step 3: Cross multiply
    14,355,928.20x = 21,549,638.70 × 8,970,659.40
  4. Step 4: Simplify right side
    14,355,928.20x = 193,314,468,970,758.78
  5. Step 5: Solve for x
    x = 193,314,468,970,758.78/14,355,928.20
  6. Step 6: Final answer
    x = 13,465,828.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.